Decock #3

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyTreasure
Nearest CityHYSHAM
River/StreamTR-YELLOWSTONE RIVER
Coordinates46.31524, -107.34689

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length250 ft
Year Completed1949 (77 years old)

Storage & Hydraulics

NID Storage193 acre-ft
Max Storage193 acre-ft
Normal Storage99 acre-ft
Drainage Area4 sq mi
Max Discharge160 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerDECOCK RANCH CO
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDMT02098
Federal IDMT02098
More InfoState Dam Safety Program

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